<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <script src="../js/vue.js"></script>
    </head>
    <body>
        <div id="app">
            <my-component></my-component>
            <my-component></my-component>
            <my-component></my-component>
        </div>
        <script>//注册计数器组件
             Vue.component('my-component',
             {data(){return{count:0}},
             template:'<button @click="count++">被单击{{count}}次</button>'})
             var vm = new Vue({
                 el:'#app'
             })
        </script>
    </body>
</html>